Element block pseudo-element :before generated with text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none cursor default font-size 16px border-radius background font-weight normal transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) margin 0px z-index auto overflow hidden width 160px position static border 1px rgba(0,0,0,1) solid display block line-height 1 box-sizing content-box height auto transform padding 20px